Ricoh DDP 70e - Manual (Page 127)

Paper Specifications C-3
Paper Weight
Paper weight (also referred to as basis weight) for the U.S. market is measured as the
weight in pounds of a ream of paper in the basic size for that grade of paper. The basic
size differs between the various grades of paper. For cross reference information of
basis weight for different paper types, see the table below.
Using the metric system, basis weight is measured as the weight of one square meter of
paper and is expressed in grams per square meter or g/m
2
.
General media weight guidelines for the printer are:
Paper Color
Colored paper refers to pastel-colored paper only. Dark colors may affect printer
operation. Colored paper should meet the same specifications as white. It is also
recommended that colored paper be tested for potential problems before ordering large
quantities.
PAPER TYPE (GRADE) U.S. MARKET METRIC
BOND*
LEDGER*
XEROGRAPHIC
LASER
OFFSET* INDEX*
BASIC
SIZE
17 in. x 22 in.
432 x 599 mm 25 in. x 38 in.
635 x 965 mm 25.5 in. x 30.5 in.
648 x 775 mm
g/m
2
BASIS
WEIGHT
16
20
24
28
32
36
40
42
44
53 40
50
60
70
80
90
100
105
110
135 33
42
50
58
67
75
83
90
92
110 60
75
90
105
120
135
150
163
175
199
NOTES :
1. Commercially available paper is in bold.
2. Paper denoted with (*) should not be used unless specifically formulated
for laser printers. Refer to page C-2 for additional information.
3. All weights are for 500 sheets.